public class MainClass {
    public static void main(String[] args) {
//        String s = "LEETCODEISHIRING";
        String s = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
//        String s = "AB";
        int numRows = 4;
        Solution solution = new Solution();
        System.out.print(solution.convert(s, numRows));
    }
}
